Data Structure
Late Pregnancy and Birth
Version 01982 Shared Subjects
Short Name: lpb01
Data Type: Clinical Assessments
Categories: Parenting
Askes questions regarding physiology, symptoms, and medical care of patients during late pregnancy and birth.
Name, Type, Required, Description, Value Range, Notes
Name | Type | Required | Description | Value Range | Notes |
|---|---|---|---|---|---|
| subjectkey | GUID | Required | The NDAR Global Unique Identifier (GUID) for research subject | NDAR* | |
| src_subject_id | String | Required | Subject ID how it's defined in lab/project | ||
| interview_date | Date | Required | Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY | ||
| interview_age | Integer | Required | Age in months at the time of the interview/test/sampling/imaging. | 0::1440 | Age is rounded to chronological month. If the research participant is 15-days-old at time of interview, the appropriate value would be 0 months. If the participant is 16-days-old, the value would be 1 month. |
| sex | String | Required | Sex of subject at birth | M;F; O; NR | M = Male; F = Female; O=Other; NR = Not reported |
| eventname | String | Required | The event name for which the data was collected | ||
| baby_suspected_iugr | Integer | Recommended | Was there suspected fetal growth restriction? | 0;1;-999 | 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| baby_umbilical_art_puls | Float | Recommended | Umbilical artery pulsatility index on the most recent ultrasound scan | -999: Never will be known | |
| baby_ussedf | Integer | Recommended | Did antenatal scans show reversed or absent end diastolic flow (EDF)? | 0::3;-999 | 0=No;1=Absent'2=Reversed;3=Unknown;-999=Unknown |
| study_corticosteroids | Integer | Recommended | Were steroids given prior to birth? | 0;1;2;-999 | 0=No;1=Partial course;2=Complete Course;-999=Unknown |
| study_corticosteroid_name | Integer | Recommended | Corticosteroid drug given antenatally? | 0::2;-999 | (if study_corticosteroids = 1 or study_corticosteroids = 2): 0=Not Applicable;1=Dexamethasone;2=Betamethasone;-999=Unknown |
| study_magnesium | Integer | Recommended | Magnesium sulphate given? | 0;1;-999 | 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| study_magnesium_reason___1 | Integer | Recommended | Pre eclampsia | 0;1 | (if study_magnesium = 1): 0=No;1=Yes |
| study_magnesium_reason___2 | Integer | Recommended | HELLP | 0;1 | (if study_magnesium = 1): 0=No;1=Yes |
| study_magnesium_reason___3 | Integer | Recommended | Neuroprotection | 0;1 | (if study_magnesium = 1): 0=No;1=Yes |
| study_magnesium_reason___4 | Integer | Recommended | Tocolysis | 0;1 | (if study_magnesium = 1): 0=No;1=Yes |
| study_tocolytics | Integer | Recommended | Were tocolytics given? | 0;1;-999 | 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| study_preeclampsia | Integer | Recommended | Did the mother experience pre-eclampsia, HELLP, or pregnancy induced hypertension? | 0::3;-999 | 0 = No; 1 = Preeclampsia; 2 = HELLP; 3 = Pregnancy induced hypertension; -999 = unknown |
| study_gestational_diabetes | Integer | Recommended | Did the mother experience gestational diabetes? | 0;1;-999 | 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| study_cholestasis | Integer | Recommended | Did the mother experience obstetric cholestasis? | 0;1;-999 | 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| study_aph | Integer | Recommended | Did the mother experience antepartum haemorrhage at any time during this pregnancy? | 0;1;-999 | 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| study_rom_date_time_known | Integer | Recommended | Date and Time of Rupture of Membranes Known? | 0 ; 1 ; -999 | 0 = No; 1 = Yes; -999 = Not Applicable - C-section |
| study_labour_augmented | Integer | Recommended | Was labour augmented? | 0::3 ; -999 ; -997 | 1 = Yes - ARM; 2 = Yes - Oxytocin; 3 = Yes - ARM and Oxytocin; 0 = No; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| study_maternal_antibiotics | Integer | Recommended | Did the mother receive antibiotics within 48 hours of delivery? | 0 :: 2 | 0 = No; 1 = Yes - treatment for infection; 2 = Yes - prophylactic |
| study_maternal_pyrexia | Integer | Recommended | Did the mother have pyrexia/fever in labour? | 0 ; 1 ; -999 ; -997 | 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| study_maternalcrp | Float | Recommended | If yes, did the mother have pyrexia/fever in labour? Highest maternal CRP on the day of delivery | (if study_maternal_pyrexia = 1): -999 = Never will be known; -997 = still being chased | |
| study_blood_culture | Integer | Recommended | If yes, did the mother have pyrexia/fever in labour? Did the mother have a blood culture taken at the time of delivery? | 0 ; 1 ; -999 ; -997 | (if study_blood_culture = 1): 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased (if study_maternal_pyrexia = 1) |
| study_blood_culture_result | Integer | Recommended | If yes, did the mother have pyrexia/fever in labour and the mother have a blood culture taken at the time of delivery. Was the blood culture positive? | 0 ; 1 ; -999 ; -997 | (if study_blood_culture = 1): 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| study_blood_organism | String | Recommended | If yes, did the mother have a blood culture taken at the time of delivery? What organism grew in the mother's blood culture? | (if study_blood_culture_result = 1) | |
| study_meconium_liquor | Integer | Recommended | Was there meconium stained liquor? | 0 ; 1 ; -999 ; -997 | 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| study_placenta_sent | Integer | Recommended | Was the mother's placenta sent for histology? | 0 ; 1 ; -999 ; -997 | 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| baby_birth_location_type | Integer | Recommended | Type of facility where baby was born | 1:: 4 | 1 = Hospital Labour Ward; 2 = Midwifery led unit; 3 = Home; 4 = Other |
| baby_time_of_birth_known | Integer | Recommended | Time of birth known? | 0 ; 1 | 1 = Yes; 0 = No |
| baby_gest_at_birth | Float | Recommended | Baby's gestation at birth | Calculation: rounddown((datediff([enrolment_arm_1][agreededd],[baby_born_arm_1][baby_dob],"d","dmy",true)+280)/7,0)+(datediff([enrolment_arm_1][agreededd],[baby_born_arm_1][baby_dob],"d","dmy",true)+280-7*rounddown((datediff([enrolment_arm_1][agreededd],[baby_born_arm_1][baby_dob],"d","dmy",true)+280)/7,0))/10 | |
| baby_gender | Integer | Recommended | Baby gender | 0::2 | 1 = Male; 2 = Female; 0 = Not Known |
| baby_birth_weight | Float | Recommended | Baby's birth weight (kg) | if unknown enter -999 | |
| baby_babyhc | Float | Recommended | Baby's birth head circumference (cm) | if unknown enter -999 | |
| baby_baby_length | Float | Recommended | Baby's birth length (cm) | if unknown enter -999 | |
| baby_delivery_method | Integer | Recommended | Baby delivery method | 1::7 ; -999 ; -997 | 1 = Spontaneous vaginal delivery; 2 = Emergency caesarean section - in labour; 3 = Emergency caesarean section - not in labour; 4 = Elective caesarean section; 5 = Instrumental delivery - Forceps; 6 = Instrumental delivery - Ventous; 7 = Semi Elective Caesarean Section; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| baby_baby_presentation | Integer | Recommended | Baby presentation at birth | 1::3;-999 ; -997 | -999 = Unknown - will never be known; -997 = Unknown - still being chased; 1 = Cephalic; 2 = Breech; 3 = Transverse |
| baby_apgar1 | Integer | Recommended | Apgar at 1 minute | 0::10;-996;-997;-999 | 0 = 0; 1 = 1; 2 = 2; 3 = 3; 4 = 4; 5 = 5; 6 = 6; 7 = 7; 8 = 8; 9 = 9; 10 = 10; -996 = Not Taken/Not Recorded; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| baby_apgar5 | Integer | Recommended | Apgar at 5 minutes | 0::10;-996;-997;-999 | 0 = 0; 1 = 1; 2 = 2; 3 = 3; 4 = 4; 5 = 5; 6 = 6; 7 = 7; 8 = 8; 9 = 9; 10 = 10; -996 = Not Taken/Not Recorded; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| baby_cordph | Float | Recommended | Baby's Cord pH (arterial or worst pH within 1 hour) | if unknown enter -999 | |
| baby_cordbe | Float | Recommended | Baby's Arterial Cord BE | if unknown enter -999 | |
| baby_congen_abnormality | Integer | Recommended | Does the baby have a congenital abnormality? | 0 ; 1 ; -999 ; -997 | 0 = No; 1 = Yes; -999 = Unknown - will never be known; -997 = Unknown - still being chased |
| baby_congen_abnorm_text | String | Recommended | If yes, does the baby have a congenital abnormality? Details of congenital abnormality | (if baby_congen_abnormality = 1) | |
| baby_congen_cardiac | Integer | Recommended | If yes, does the baby have a congenital abnormality? Does the baby have a congenital cardiac abnormality? | 0 :: 26; -9 | (if baby_congen_abnormality = 1): -9 = No selection; 0 = None; 1 = Common truncus(745.0); 2 = Transposition of the great vessels (745.1); 3 = Tetralogy of fallot (754.2); 4 = Common ventricle (745.3); 5 = Ventricular septal defect (745.4); 6 = Atrial septal defect (745.5); 7 = Endocardial cushion defects (745.6); 8 = Other congenital anomalies of heart (746); 9 = Tricuspid atresia and stenosis congenital (746.1); 10 = Ebstein's anomaly (746.2); 11 = Congenital stenosis of the aortic valve (746.3); 12 = Congenital insufficiency of the aortic valve (746.4); 13 = Congenital mitral stenosis (746.5); 14 = Congenital mitral insufficiency (746.6); 15 = Hypoplastic left heart syndrome (746.7); 16 = Subaortic stenosis congenital (746.81); 17 = Cor triatriatum (746.82); 18 = Infundibularpulmonic stenosis congenital (746.83); 19 = Coronary artery anomaly congenital (746.85); 20 = Congenital heart block(746.86); 21 = Malposition of heart and cardiac apex (746.87); 22 = Coarctaion of aorta (747.1); 23 = Interruption of aortic arch (747.11); 24 = Congenital anomalies of pulmonary artery (747.3); 25 = PPHN/persistent fetal circulation (747.83); 26 = Other congenital circulatory/cardiac abnormality |
| baby_ttt | Integer | Recommended | Was there twin-to-twin transfusion? | 0 ; 1 ; 9 ; -999 ; -997 | 0 = No; 1 = Yes; 9 = Not Applicable; -999 = Unknown - will never be known; -997 = Unknown - still being chased; If enrolment_arm_1 pregnancy_size > 1 |
| baby_admitted_to_nicu | Integer | Recommended | Was the baby admitted to NICU? | 0 ; 1 | 1 = Yes; 0 = No |
| fetal_age | Integer | Recommended | Age of the fetus (i.e., gestational age) in days | 0::322 | |
| fetal_age_type | Integer | Recommended | Type of gestational age used for fetal_age | 1;2 | 1 = Postovulatory gestational age, defined as days since the last ovulation, expected term of 266 days; 2 = Postmenstrual gestational age, days since the last menstrual period, expected term of 280 days |